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Fix preprocessor crash when document nodes have outdated input counts

This commit is contained in:
Keavon Chambers 2026-04-01 19:39:12 -07:00
parent 211b9113a1
commit 79bf1ab688
1 changed files with 8 additions and 0 deletions
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8
node-graph/preprocessor/src/lib.rs
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@ -19,6 +19,13 @@ pub fn expand_network(network: &mut NodeNetwork, substitutions: &HashMap<ProtoNo
DocumentNodeImplementation::Network(node_network) => expand_network(node_network, substitutions),
DocumentNodeImplementation::ProtoNode(proto_node_identifier) => {
if let Some(new_node) = substitutions.get(proto_node_identifier) {
// Reconcile the document node's inputs with what the current node definition expects,
// since the saved document may have fewer or more inputs than the current version
while node.inputs.len() < new_node.inputs.len() {
node.inputs.push(new_node.inputs[node.inputs.len()].clone());
}
node.inputs.truncate(new_node.inputs.len());
node.implementation = new_node.implementation.clone();
}
}
@ -59,6 +66,7 @@ pub fn generate_node_substitutions() -> HashMap<ProtoNodeIdentifier, DocumentNod
let mut generated_nodes = 0;
let mut nodes: HashMap<_, _, _> = node_io_types
.iter()
.take(input_count)
.enumerate()
.map(|(i, inputs)| {
(